about summary refs log tree commit diff
path: root/sysdeps/powerpc/powerpc32/configure
diff options
context:
space:
mode:
authorAndreas Jaeger <jaegerandi@gmail.com>2012-03-28 09:37:36 +0200
committerAndreas Jaeger <jaegerandi@gmail.com>2012-03-28 09:37:58 +0200
commit51d8bb8f3b39fe0c52324036ca54c4dc4275628a (patch)
tree65f1490d3dd0306acdc75889b94f60b9046f7fff /sysdeps/powerpc/powerpc32/configure
parent83ef87ba7d5780ecf9d8a2008c9b9b669fe46156 (diff)
downloadglibc-51d8bb8f3b39fe0c52324036ca54c4dc4275628a.tar.gz
glibc-51d8bb8f3b39fe0c52324036ca54c4dc4275628a.tar.xz
glibc-51d8bb8f3b39fe0c52324036ca54c4dc4275628a.zip
Regenerate configure files
Diffstat (limited to 'sysdeps/powerpc/powerpc32/configure')
-rw-r--r--sysdeps/powerpc/powerpc32/configure45
1 files changed, 45 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc32/configure b/sysdeps/powerpc/powerpc32/configure
index 86ecfdcf4a..da0e7f4afd 100644
--- a/sysdeps/powerpc/powerpc32/configure
+++ b/sysdeps/powerpc/powerpc32/configure
@@ -137,3 +137,48 @@ if test $libc_cv_ppc_secure_plt = yes; then
   $as_echo "#define HAVE_PPC_SECURE_PLT 1" >>confdefs.h
 
 fi
+
+# Check for support of thread-local storage handling in assembler and
+# linker.
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking for powerpc32 TLS support" >&5
+$as_echo_n "checking for powerpc32 TLS support... " >&6; }
+if ${libc_cv_powerpc32_tls+:} false; then :
+  $as_echo_n "(cached) " >&6
+else
+  cat > conftest.s <<\EOF
+	.section ".tdata","awT",@progbits
+x:	.long	1
+x1:	.long	1
+x2:	.long	1
+	.text
+	addi	3,31,x@got@tlsgd
+	addi	3,31,x1@got@tlsld
+	addi	9,3,x1@dtprel
+	addis	9,3,x2@dtprel@ha
+	addi	9,9,x2@dtprel@l
+	lwz	0,x1@dtprel(3)
+	addis	9,3,x2@dtprel@ha
+	lwz	0,x2@dtprel@l(9)
+	lwz	9,x3@got@tprel(31)
+	add	9,9,x@tls
+	addi	9,2,x1@tprel
+	addis	9,2,x2@tprel@ha
+	addi	9,9,x2@tprel@l
+EOF
+if { ac_try='${CC-cc} -c $CFLAGS conftest.s 1>&5'
+  { { eval echo "\"\$as_me\":${as_lineno-$LINENO}: \"$ac_try\""; } >&5
+  (eval $ac_try) 2>&5
+  ac_status=$?
+  $as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
+  test $ac_status = 0; }; }; then
+  libc_cv_powerpc32_tls=yes
+else
+  libc_cv_powerpc32_tls=no
+fi
+rm -f conftest*
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $libc_cv_powerpc32_tls" >&5
+$as_echo "$libc_cv_powerpc32_tls" >&6; }
+if test $libc_cv_powerpc32_tls = no; then
+  as_fn_error $? "the assembler must support TLS" "$LINENO" 5
+fi